CN223182546U - A heat dissipation mechanism for outdoor LED screen - Google Patents

Abstract

The utility model discloses a heat dissipation mechanism of an outdoor LED screen, which comprises an LED screen, wherein one side of the back of the LED screen is provided with a shell, the other side of the shell is provided with a water cooling unit, the output end of a power pump at one side of the water cooling unit is provided with a water inlet pipe, the tail end of the water inlet pipe extends to the inner cavity of the shell and is provided with a water cooling liquid conveying pipe, elements on the back of the LED screen are contacted with the water cooling liquid conveying pipe and are provided with water cooling blocks, the inner and outer sides of the pipe wall of the water cooling liquid conveying pipe are provided with a plurality of groups of heat conducting fins, one end of each group of heat conducting fins is provided with heat radiating fins, the outer parts of the heat radiating fins are provided with protective baffle plates, the protective baffle plates are arranged on the outer end face of the shell, the tail end of the water cooling liquid conveying pipe is provided with a return pipe, and the tail end of the return pipe penetrates through the shell to the outer part and is arranged with the water cooling unit, and the side end of the water cooling unit is provided with a fan. The utility model reduces the internal heat accumulation and realizes good heat dissipation effect.

Description

Heat dissipation mechanism of outdoor LED screen

Technical Field

The utility model relates to the technical field of LED screens, in particular to a heat dissipation mechanism of an outdoor LED screen.

Background

Along with the progress of electronic technology, an LED screen enters the daily life of people and is mainly used for equipment for displaying various information such as characters, images, videos and video signals, and the LED screen has the advantages of bright color, wide dynamic range, long service life, high brightness and the like and is widely applied to places such as commercial media, cultural performances and the like.

But after the LED screen is used outdoors for a long time, heat is generated in the use period due to high temperature in summer, so that the temperature in the shell of the LED screen is increased, the service life of the LED lamp is influenced by the high temperature, the LED screen needs to be subjected to heat dissipation, most of the LED screens only transmit the heat in the shell to the air through the heat dissipation fins to naturally dissipate heat, the heat dissipation efficiency is low, and the heat dissipation effect of the heat dissipation fins is poor when the air temperature is high in summer.

Disclosure of utility model

The utility model aims to provide a heat dissipation mechanism of an outdoor LED screen, which is used for solving the problems in the background technology.

The outdoor LED screen heat dissipation mechanism comprises an LED screen, wherein the back of the LED screen is fixedly connected with one side of a machine shell, a water cooling unit is arranged on the other side of the machine shell, a water inlet pipe is arranged at the output end of a power pump on one side of the water cooling unit, a water cooling liquid conveying pipe is arranged at the tail end of the water inlet pipe, a water cooling block is arranged on the water cooling liquid conveying pipe and in contact with an element on the back of the LED screen, a plurality of groups of heat conducting fins are arranged inside and outside the pipe wall of the water cooling liquid conveying pipe, one end of each group of heat conducting fins is provided with heat radiating fins, a protective baffle is arranged outside the heat radiating fins, the protective baffle is arranged on the outer end face of the machine shell, a return pipe is arranged at the tail end of the water cooling liquid conveying pipe, the tail end of the return pipe penetrates through the machine shell and extends to the outside and is arranged with the water cooling unit, and a fan is arranged at the side end of the water cooling unit.

Preferably, the water cooling unit comprises a water cooling water tank and a water pump, wherein a water inlet part of the water pump is connected with the water cooling water tank, and a water outlet part of the water pump is connected with the water inlet pipe.

Preferably, the water cooling liquid conveying pipes are distributed in a serpentine shape, and the water cooling liquid conveying pipes are arranged close to the back surface of the LED screen.

Preferably, a plurality of radiating fins are distributed on the end face of the protective partition at equal intervals, every two radiating fins form an air channel, one end of each radiating fin extends between the LED screen and the casing, and the other end of each radiating fin extends to the outer side of the protective partition.

Preferably, the protective baffle is made of high-temperature resistant materials.

Preferably, the inlet pipe and the return pipe are both high temperature resistant pipes.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the heat generated by the LED screen in the shell can be absorbed and transferred through the heat conducting fins and the heat radiating fins, the water pump at the water cooling unit is started, the water cooling liquid of the water cooling water tank is pumped through the water inlet pipe, the water cooling liquid conveying pipe and the heat returning pipe, and the heat exchanging and cooling are carried out on the heat conducting fins and the heat radiating fins through the water cooling liquid conveying pipe, so that the heat radiating efficiency of the heat conducting fins and the heat radiating fins is improved, and the problem of poor heat radiating effect caused by high air temperature of the heat radiating fins in summer is solved;

2. The protective baffle plate is coated on the outer surface of the shell, so that the service life of the protective baffle plate can be prolonged, the outdoor normally-sunned LED screen and the outer structure of the shell are protected, the ageing rate is reduced, in addition, the LED screen and the water cooling unit are respectively positioned on two sides of the shell, and the heat in the shell is transferred and radiated through the heat conducting fins, so that the water cooling unit is ensured not to influence the use of the LED screen.

Drawings

FIG. 1 is a perspective view of the whole main structure of the present utility model;

FIG. 2 is a perspective view of the entire rear interior of the present utility model;

FIG. 3 is a partial cross-sectional perspective view of the entire rear face of the present utility model.

The LED lamp comprises a LED screen 1, a machine shell 2, a water cooling unit 3, a water inlet pipe 4, a water cooling liquid conveying pipe 5, a heat conducting fin 6, a heat radiating fin 7, a protective baffle 8, a return pipe 9, a return pipe 10 and a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a technical scheme that the outdoor LED screen heat dissipation mechanism comprises an LED screen 1, wherein the back of the LED screen 1 is fixedly connected with one side of a shell 2, a water cooling unit 3 is fixedly arranged on the other side of the shell 2 through screws, a water cooling liquid conveying pipe 5 is fixedly connected with the output end of a power pump of one side of the water cooling unit 3 in a plugging manner, the tail end of the water cooling liquid conveying pipe 4 extends to the inner cavity of the shell 2 to be integrally communicated with one another, a water cooling block is arranged on the water cooling liquid conveying pipe 5 and is in contact with an element on the back of the LED screen 1, the water cooling block is a metal block with a water channel inside, the metal block is made of copper or aluminum, is in contact with the element and absorbs heat, a plurality of heat conducting fins 6 are arranged inside and outside the pipe wall of the water cooling liquid conveying pipe 5, one end of each heat conducting fin 6 is fixedly welded with a heat radiating fin 7, the heat radiating area of the outside is increased, a protective baffle 8 is arranged outside the heat radiating fins 7, the protective baffle 8 is coated on the outer end face of the shell 2, the tail end of the water cooling liquid conveying pipe 5 is integrally communicated with one side of the water cooling liquid conveying pipe 5, a return pipe 9 extends to the outside the shell 2 to the outside, the water cooling unit 3 is in a penetrating through the outside, the shell 2 and is in contact with an element on the inner side of the shell 3, a slot is fixedly connected with the water cooling unit 3, and a fan assembly is arranged on the side of the water cooling unit 3, and a ventilation assembly is in time inside the heat dissipation assembly is arranged.

The water cooling unit 3 comprises a water cooling water tank and a water pump, a water inlet part of the water pump is connected with the water cooling water tank, a water outlet part of the water pump is connected with the water inlet pipe 4, the water cooling liquid conveying pipe 5 is distributed in a serpentine shape, the water cooling liquid conveying pipe 5 is installed close to the back of the LED screen 1, the contact area with the LED screen 1 is increased, the heat dissipation effect is improved, a plurality of heat dissipation fins 7 are distributed at equal intervals on the end face of the protective baffle 8, air channels are formed by every two heat dissipation fins 7, one ends of the heat dissipation fins 7 extend between the LED screen 1 and the shell 2, when air flows outside the protective baffle 8, the other ends of the heat dissipation fins 7 extend, heat conduction is better carried out, the protective baffle 8 is made of high-temperature resistant materials, polyphenylene sulfide can be selected, the service life of the protective baffle 8 is prolonged, the ageing rate is reduced, the high-temperature resistant pipes are adopted by the water inlet pipe 4 and the return pipe 9, the service lives of the water inlet pipe 4 and the return pipe 9 are prolonged, and the ageing rate is reduced.

Working principle: when the LED screen 1 is used outdoors, a large amount of heat can be generated by the LED screen 1, the heat is absorbed through the heat radiating fins 7, and the heat radiating fins 6 and the inlet pipes 4 are arranged at the other sides of the heat radiating fins 7, so that a water pump at the water cooling unit 3 is started, water cooling liquid of a water cooling water tank is pumped through the inlet pipes 4, the water cooling liquid conveying pipes 5 and the return pipes 9 by pumping water cooling liquid of the water cooling water pump, the heat conducting fins 6 and the heat radiating fins 7 which are contacted through the water cooling liquid conveying pipes 5 are subjected to heat exchange and cooling, the water cooling liquid conveying pipes 5 are not subjected to heat exchange and cooling with electronic elements at the side surfaces of the LED screen 1 directly, but are subjected to heat radiating fins 7, so that air at the LED screen 1 is not caused to generate water drops due to cooling, and meanwhile, the heat radiating efficiency of the heat radiating fins 7 is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A heat dissipation mechanism for an outdoor LED screen, comprising an LED screen (1), characterized in that: the back of the LED screen (1) is fixedly connected to one side of a housing (2), a water cooling unit (3) is provided on the other side of the housing (2), an inlet pipe (4) is provided at the output end of a power pump on one side of the water cooling unit (3), the end of the inlet pipe (4) extends to the inner cavity of the housing (2) and is provided with a water-cooling liquid delivery pipe (5), a water-cooling block is provided on the water-cooling liquid delivery pipe (5) in contact with the components on the back of the LED screen (1), and the water Multiple groups of heat-conducting fins (6) are arranged inside and outside the tube wall of the cooling liquid delivery pipe (5), and a heat-dissipating fin (7) is arranged at one end of each group of the heat-conducting fins (6). A protective baffle (8) is arranged outside the multiple heat-dissipating fins (7), and the protective baffle (8) is arranged on the outer end surface of the casing (2). A return pipe (9) is arranged at the end of the cooling liquid delivery pipe (5), and the end of the return pipe (9) passes through the casing (2) and extends to the outside and is arranged with the water-cooling unit (3). A fan (10) is arranged at the side end of the water-cooling unit (3). 2. The heat dissipation mechanism of an outdoor LED screen according to claim 1 is characterized in that: the water cooling unit (3) includes a water cooling tank and a water pump, the water inlet of the water pump is connected to the water cooling tank, and the water outlet of the water pump is connected to the inlet pipe (4). 3. The heat dissipation mechanism of an outdoor LED screen according to claim 1 is characterized in that the water-cooling liquid delivery pipe (5) is distributed in a serpentine shape and is arranged close to the back of the LED screen (1). 4. A heat dissipation mechanism for an outdoor LED screen according to claim 1, characterized in that: a plurality of the heat dissipation fins (7) are equidistantly distributed on the end surface of the protective partition (8), and the heat dissipation fins (7) are arranged in pairs to form an air duct, one end of the heat dissipation fin (7) extends between the LED screen (1) and the housing (2), and the other end of the heat dissipation fin (7) extends to the outside of the protective partition (8). 5. The heat dissipation mechanism of an outdoor LED screen according to claim 1, characterized in that the protective baffle (8) is made of high-temperature resistant material. 6. The heat dissipation mechanism of an outdoor LED screen according to claim 1, characterized in that both the inlet pipe (4) and the return pipe (9) are made of high-temperature resistant pipes.